<html>
  <head>
    <meta content="text/html;charset=utf-8" http-equiv="Content-Type" />
    <meta content="utf-8" http-equiv="encoding" />
    <style>
      html {
        font-size: 12px;
      }

      html, body {
        width: 400px;
        height: 110px;
      }

      body {
        margin: 0;
      }

      .message {
        background: #222831;
        color: #fff;
        height: 100%;
        font-size: 1rem;
      }

      p {
        margin: 0;
        padding: 1rem;
      }

      hr {
        width: 95%;
        border-color: rgba(255,255,255,0.6);
      }

      a, a:visited {
        color: #00adb5;
      }
    </style>
  </head>

  <body>
    <div class="message">
      <p>Please open the developer tools and open "React Context" tab.</p>
      <hr />
      <p>if you want to load this extension on page load then you can change the settings in the "Extension options".</p>
    </div>
  </body>
</html>
